Mellow Fly Boards¶

Overview¶

Mellow Fly boards represent a series of high-quality mainboards designed for 3D printers, offering excellent performance and reliability. These boards are particularly known for their robust design and comprehensive feature sets.

Available Models¶

Fly-Gemini V2¶

Processor: STM32F407
Stepper Drivers: 6x (configurable)
Connectivity: USB, UART, CAN
Price Range: $$
Best For: Mid-range printers, reliable builds

Fly-Gemini V3¶

Processor: STM32F407
Stepper Drivers: 6x (configurable)
Connectivity: USB, UART, CAN, WiFi
Price Range: $$$
Best For: Advanced printers, wireless setups

Fly-Super8¶

Processor: STM32F407
Stepper Drivers: 8x (configurable)
Connectivity: USB, UART, CAN, Ethernet
Price Range: $$$$
Best For: High-end printers, complex setups

Fly-Pi¶

Processor: STM32F407
Stepper Drivers: 4x (configurable)
Connectivity: USB, UART
Price Range: $$
Best For: Entry-level printers, compact builds

Key Features¶

Hardware Features¶

High-performance STM32 processors
Multiple stepper driver support
Various connectivity options
CAN bus support
WiFi capability (V3 model)
Ethernet capability (Super8)
Multiple fan outputs
Advanced sensor support
Extensive GPIO options

Software Support¶

Klipper firmware support
Marlin firmware support
Community firmware options
Extensive documentation
Active community support

Installation Guide¶

Basic Setup¶

Mount the board in your printer
Connect stepper motors
Connect endstops
Connect heaters and fans
Flash firmware

Configuration¶

Common Modifications¶

Expansion Options¶

CAN bus expansion
WiFi connectivity
Ethernet integration
Additional stepper drivers
Advanced sensor integration
Display integration

Community Mods¶

Custom cooling solutions
Power supply modifications
Additional connectivity options
Custom firmware features

Troubleshooting¶

Common Issues¶

Stepper motor configuration
USB connectivity problems
Firmware flashing errors
Power supply issues
CAN bus communication

Solutions¶

References¶

Mellow Official Documentation
Community Modifications Database
User Experience Reports